// interfaces/RandomDoubles.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

import java.util.Random;

public interface RandomDoubles {
    Random RAND = new Random(47);

    default double next() {
        return RAND.nextDouble();
    }

    static void main(String[] args) {
        RandomDoubles rd = new RandomDoubles() {
        };
        for (int i = 0; i < 7; i++)
            System.out.print(rd.next() + " ");
    }
}
/* Output:
0.7271157860730044 0.5309454508634242
0.16020656493302599 0.18847866977771732
0.5166020801268457 0.2678662084200585
0.2613610344283964
*/
